Finding the Third Proportional to 1,673,921 and 3,646,773

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,921 : 3,646,773 = 3,646,773 : x
2. Step 2: Convert to fraction form
   1,673,921/3,646,773 = 3,646,773/x
3. Step 3: Cross multiply
   1,673,921x = 3,646,773 × 3,646,773
4. Step 4: Simplify right side
   1,673,921x = 13,298,953,313,529
5. Step 5: Solve for x
   x = 13,298,953,313,529/1,673,921
6. Step 6: Final answer
   x = 7,944,791.49